6 cm 5 cm 4 cm 3 cm what does that equal I have done everything and I can't get it right

Mathematics

1 answer:

stiks02 [169]2 years ago

8 0

Answer:

Sum: 18

Conversion to inches: 7.0866

Step-by-step explanation:

Not exactly sure what you are trying to ask here... But I'll do my best?

1. If you are trying to add each measurement together, you start by writing out: 6 + 5 + 4 + 3. Now you can break it down into smaller parts to be easier.

6 + 5 = 11. 11 + 4 = 15. 15 + 3 = 18.

So the sum of the measurements is 18!

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2. If you are trying to convert this measurement into inches, you could follow these directions:

Since one inch is equal to about 2.54 centimeters, you would need to divide the sum of the values by 2.54.

So 18 / 2.54 is roughly equal to: 7.0866.

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V125BC [204]

Answer:

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Step-by-step explanation:

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8 0

3 years ago

N=4; 2i and 3i are zeros <br> f(-1)=50

Nonamiya [84]

Solution:- $\text{Let f(x) be any nth degree polynomial with n=4}\\$

$\text{Given that 2i and 3i are the zeroes of f(x)}$

$\text{so (x-2i) and (x-3i) are factors of f(x)}$

$\text{Since 2i is a zero of f(x) then its conjugate -2i is also a zero of f(x)}$

$\Rightarrow(x+2i) \text{is a factor}\\\text{Similarly, conjugate of 3i is -3i is also a zero of f(x) }\\\Rightarrow(x+3i)\text{is a factor}\\\text{So , }\\f(x)=k(x-2i)(x+2i)(x-3i)(x+3i)\\=k(x^2-(2i)^2)(x^2-(3i)^2)\\=k(x^2-4i^2)(x^2-9i^2)\\=k(x^2+4)(x^2+9)\\=k(x^4+13x^2+36)\\\text{As given}\\f(-1)=50\\\Rightarrow k((-1)^4+13(-1)^2+36)=50\\\Rightarrow k(1+13+36)=50\\\Rightarrow k(50)=50\\\Rightarrow k=1\\\text{So by substituting k=1 in f(x) we get ,}\\f(x)=(x^4+13x^2+36)$